6DRX Active SeriesRear Panel DescriptionDRX-1OBA/12BA/15BA SUBON-OFF main power switch LINK LEFT/RIGHT ON XLR CONNECTORInput AC power socket with main fuse SIGNAL/LIMIT, Red LED, indicate ON statusPOWER, Green LED, indicate ON status VOLUME main power amplifier controlBYPASS Switch Select High pass filter or bypass PHASE Switch Reverse the Polarity of SUB OUTGround Lift Switch OUT LEFT/RIGHT ON 2x XLR CONNECTORLINE IN RIGHT ON XLR CONNECTOR POWER SWITCH SELECTORLINE IN LEFT/MONO ON COMBO CONNECTOR